From 0d666e83a528d19daa9ce7bf735268c6a50bc74e Mon Sep 17 00:00:00 2001
From: Dmitriy Sokolov <silentsokolov@gmail.com>
Date: Sat, 9 Oct 2021 14:15:38 +0300
Subject: [PATCH] Fix relationships test #19

---
 .../macros/schema_tests/relationships.sql     | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 dbt/include/clickhouse/macros/schema_tests/relationships.sql

diff --git a/dbt/include/clickhouse/macros/schema_tests/relationships.sql b/dbt/include/clickhouse/macros/schema_tests/relationships.sql
new file mode 100644
index 00000000..b756a99c
--- /dev/null
+++ b/dbt/include/clickhouse/macros/schema_tests/relationships.sql
@@ -0,0 +1,24 @@
+{% macro clickhouse__test_relationships(model, column_name, to, field) %}
+
+with child as (
+    select {{ column_name }} as from_field
+    from {{ model }}
+    where {{ column_name }} is not null
+),
+
+parent as (
+    select {{ field }} as to_field
+    from {{ to }}
+)
+
+select
+    from_field
+
+from child
+left join parent
+    on child.from_field = parent.to_field
+
+where parent.to_field is null
+settings join_use_nulls = 1
+
+{% endmacro %}